Lovely Vintage Patra Stretch Velvet Cowl Neck Gown With Burnout Velvet Overlay Top. 
The Velvet is a rich brown and the Flowers are Vibrant Fall shades of Rust, Green, Magenta and Purple.

Measurements:
Pit to Pit 20" Before stretch.
Length From Shoulder to Hem 54"
Waist is 17" Before stretch

This Dress is sized as Petite, but I am 5'7" and it would fit me length wise as well as where the waist hits.
This dress comes from a smoke free home.